This is an important aspect to consider and should be factored into all proposals. Considerations can range from the maintenance of external finishes and design features such as valley gutters to services such as heating and electricity.
When compiling the Brief, a dialogue regarding maintenance costs of the proposal should take place between Client and designer.
Decisions will need to be made regarding the type of materials used, their longevity and impact on the environment. Renewable energies should be considered which will assist in lowering running costs.